package com.collection.vectors;

import java.util.Vector;

public class SetSizeOfJavaVectorExample {
	public static void main(String[] args) {
	    //create a Vector object
	    Vector v = new Vector();
	   
	    //Add elements to Vector
	    v.add("1");
	    v.add("2");
	    v.add("3");
	    v.add("4");
	    v.add("5");
	   
	    /*
	      To set the size of Vector use
	      void setSize(int newSize) method.
	      Please note that if the newSize is less than the current size of the Vector
	      elements at and after newSize index will be discarded, and if the newSize is
	      grater than the current size of Vector, null values are added at the end of
	      the Vector.
	    */
	    //set size of Vector to 3. The Last 2 elements would be discarded.
	    v.setSize(3);
	   
	    //display elements of the Vector
	    System.out.println("Vector elements after setting size to 3");
	    for(int index=0; index < v.size(); index++)
	      System.out.println(v.get(index));
	   
	    //set size of Vector to 5. null values would be inserted in the Vector.
	    v.setSize(5);
	 
	    //display elements of the Vector
	    System.out.println("Vector elements after setting size to 5");
	    for(int index=0; index < v.size(); index++)
	      System.out.println(v.get(index));
	   
	  } 
}
